Labels:text | screenshot | font | black OCR: In infants below the age of two years, t either insulin-secreting tumours are so rare osis) or functional hyperinsulinism (nesidiot must be malicious sulphonylurea administrat Ls considered the likely cause of endoge hyperinsulinism. See later: · Fasting Hypoglycaemia Test 'Inappropriate' Insulin Secretion Plasma Proinsulin Assay Plasma C-Peptide Assay Localisation of Insulinomas See also: · Nesidioblastosis nism . Treatment of Endogenous Hyperins